Dec 20 2012
Copper UNS C89940 has a copper content of not less than 64%.
The following table shows the mechanical properties of UNS C89940 sand cast alloy as a function of heat treatment.
| Temper |
Tensile Str. |
Elong. |
| M01 |
172MPa (25ksi) |
2% |
The chemical composition of UNS C89940 copper alloy is outlined in the following table.
| Element |
Content (%) |
| Copper, Cu |
64-68 |
| Nickel, Ni |
20-23 |
| Bismuth, Bi |
4-5.5 |
| Zinc, Zn |
3-5 |
| Tin, Sn |
3-5 |
| Iron, Fe |
0.7-2 |
| Silicon, Si |
0.15 |
| Phosphorous, P |
0.1-0.15 |
| Antimony, Sb |
0.1 |
| Sulfur, S |
0.05 |
| Sulfur, S |
0.05 |
| Lead, Pb |
0.01 |
| Aluminum, Al |
0.005 |